Near a highway, a few hundred feet from the biggest electronics building in Tokyo's Akihabara district, sits a tiny mecca for gadget geeks. The orange store belongs to Thanko, masters of weird USB devices, and it is their first of 4 shops. The blinking raremonoshop sign tickled my eyeballs, but my geek lust was…

Welcome back to MangoBot, a biweekly column about Asian futurism by TokyoMango blogger Lisa Katayama. Earlier this week, I joined a team of experts from Gizmodo Japan on an expedition to the world's most famous geek mecca. For half a century, people trekked to Akihabara to buy electronics parts. But in the last 10-15…